PT3183729T - Comutação de taxas de amostragem em dispositivos de processamento de áudio - Google Patents

Comutação de taxas de amostragem em dispositivos de processamento de áudio

Info

Publication number
PT3183729T
PT3183729T PT157500695T PT15750069T PT3183729T PT 3183729 T PT3183729 T PT 3183729T PT 157500695 T PT157500695 T PT 157500695T PT 15750069 T PT15750069 T PT 15750069T PT 3183729 T PT3183729 T PT 3183729T
Authority
PT
Portugal
Prior art keywords
concept
switching
processing devices
audio processing
sampling rates
Prior art date
Application number
PT157500695T
Other languages
English (en)
Portuguese (pt)
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PT3183729T publication Critical patent/PT3183729T/pt

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/173Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/22Mode decision, i.e. based on audio signal content versus external parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001Codebooks
    • G10L2019/0002Codebook adaptations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PT157500695T 2014-08-18 2015-08-14 Comutação de taxas de amostragem em dispositivos de processamento de áudio PT3183729T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14181307.1A EP2988300A1 (de) 2014-08-18 2014-08-18 Schalten von Abtastraten bei Audioverarbeitungsvorrichtungen

Publications (1)

Publication Number Publication Date
PT3183729T true PT3183729T (pt) 2020-12-04

Family

ID=51352467

Family Applications (1)

Application Number Title Priority Date Filing Date
PT157500695T PT3183729T (pt) 2014-08-18 2015-08-14 Comutação de taxas de amostragem em dispositivos de processamento de áudio

Country Status (18)

Country Link
US (3) US10783898B2 (de)
EP (4) EP2988300A1 (de)
JP (1) JP6349458B2 (de)
KR (1) KR102120355B1 (de)
CN (2) CN106663443B (de)
AR (1) AR101578A1 (de)
AU (1) AU2015306260B2 (de)
BR (1) BR112017002947B1 (de)
CA (1) CA2957855C (de)
ES (1) ES2828949T3 (de)
MX (1) MX360557B (de)
MY (1) MY187283A (de)
PL (1) PL3183729T3 (de)
PT (1) PT3183729T (de)
RU (1) RU2690754C2 (de)
SG (1) SG11201701267XA (de)
TW (1) TWI587291B (de)
WO (1) WO2016026788A1 (de)

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EP2988300A1 (de) * 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Schalten von Abtastraten bei Audioverarbeitungsvorrichtungen
EP3483882A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Steuerung der bandbreite in codierern und/oder decodierern
EP3483878A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecoder mit auswahlfunktion für unterschiedliche verlustmaskierungswerkzeuge
EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483886A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
EP3483880A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitliche rauschformung
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
EP3483883A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierung und -dekodierung mit selektiver nachfilterung
US11601483B2 (en) * 2018-02-14 2023-03-07 Genband Us Llc System, methods, and computer program products for selecting codec parameters

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Also Published As

Publication number Publication date
US20200381001A1 (en) 2020-12-03
PL3183729T3 (pl) 2021-03-08
SG11201701267XA (en) 2017-03-30
ES2828949T3 (es) 2021-05-28
CA2957855C (en) 2020-05-12
KR102120355B1 (ko) 2020-06-08
RU2017108839A (ru) 2018-09-20
CN113724719B (zh) 2023-08-08
RU2017108839A3 (de) 2018-09-20
TWI587291B (zh) 2017-06-11
JP6349458B2 (ja) 2018-06-27
EP2988300A1 (de) 2016-02-24
EP3739580A1 (de) 2020-11-18
AU2015306260A1 (en) 2017-03-09
CN113724719A (zh) 2021-11-30
AR101578A1 (es) 2016-12-28
US11830511B2 (en) 2023-11-28
BR112017002947A2 (pt) 2017-12-05
AU2015306260B2 (en) 2018-10-18
KR20170041827A (ko) 2017-04-17
JP2017528759A (ja) 2017-09-28
RU2690754C2 (ru) 2019-06-05
CN106663443B (zh) 2021-06-29
US20170154635A1 (en) 2017-06-01
US10783898B2 (en) 2020-09-22
US20230022258A1 (en) 2023-01-26
BR112017002947B1 (pt) 2021-02-17
MY187283A (en) 2021-09-19
CA2957855A1 (en) 2016-02-25
EP3183729A1 (de) 2017-06-28
EP4328908A3 (de) 2024-03-13
EP3739580C0 (de) 2024-04-17
MX2017002108A (es) 2017-05-12
EP4328908A2 (de) 2024-02-28
EP3183729B1 (de) 2020-09-02
WO2016026788A1 (en) 2016-02-25
CN106663443A (zh) 2017-05-10
EP3739580B1 (de) 2024-04-17
MX360557B (es) 2018-11-07
US11443754B2 (en) 2022-09-13
TW201612896A (en) 2016-04-01

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